E. coli exceedance – St. Louis and Jefferson counties

Location: Meramec River

Sample taken: 3/9/2016 9:27:00 AM

Comments: Other: Downstream Meramec 7 site, sample collected near Frisco Rd. end, 11.6 miles downstream from Fenton WWTF outfall. Sample was collected using depth and velocity integrated sampler cosisting of 5 aliquots along a transect.

Results: 816.4 mpn/100 ml

Location: Meramec River

Sample taken: 3/9/2016 9:14:00 AM

Comments: Other: Downstream Meramec 6 site, sample collected near Lemay Ferry Rd. bridge, 9.4 miles downstream from Fenton WWTF outfall. Sample was collected using depth and velocity integrated ampler consisting of 5 aliquots along a transect.

Results: 1299.7 mpn/100 ml

Location: Meramec River

Sample taken: 3/9/2016 8:00:00 AM

Comments: Other: Downstream Meramec 1 site, sample collected near George Winter Park, 0.8 miles downstream from Fenton WWTF outfall. Sample was collected using depth and velocity integrated sampler cosisting of 5 aliquots along a transect.

Results: 1299.7 mpn/100 ml

Location: Meramec River

Sample taken: 3/9/2016 8:11:00 AM

Comments: Other: Downstream Meramec 2 site, sample collected near Schmussler Rd. end, 1.7 miles downstream from Fenton WWTF outfall. Sample was collected using depth and velocity integrated sampler cosisting of 5 aliquots along a transect.

Results: 1413.6 mpn/100 ml

Location: Meramec River

Sample taken: 3/9/2016 8:26:00 AM

Comments: Other: Downstream Meramec 3 site, sample collected near Corisande Hill Rd., 3.7 miles downstream from Fenton WWTF outfall. Sample was collected using depth and velocity integrated sampler cosisting of 5 aliquots along a transect.

Results: 2419.6 mpn/100 ml

Location: Meramec River

Sample taken: 3/9/2016 9:40:00 AM

Comments: Other: Downstream Meramec 8 site, sample collected near Hwy. 231 bridge, 13.3 miles downstream from Fenton WWTF outfall. Sample was collected using depth and velocity integrated sampler cosisting of 5 aliquots along a transect. Action Level: 235

Results: 770.1 mpn/100 ml

Location: Meramec River

Sample taken: 3/9/2016 7:47:00 AM

Comments: Other: Upstream Meramec 1 site, sample collected at the Gravois Mill road bridge, 0.2 miles upstream from Fenton WWTF outfall. Sample was collected using depth and velocity integrated sampler cosisting of 5 aliquots along a transect.

Results: 238.2 mpn/100 ml

Location: Meramec River

Sample taken: 3/9/2016 8:11:00 AM

Comments: Duplicate of sample #16-1761 at stie DS2. Sample was collected using depth and velocity integrated sampler cosisting of 5 aliquots along a transect.

Results: 2419.6 mpn/100 ml

Location: Meramec River

Sample taken: 3/9/2016 8:58:00 AM

Comments: Other: Downstream Meramec 5 site, sample collected upstream of I-55 bridge, 7.5 miles downstream from Fenton WWTF outfall. Sample was collected using depth and velocity integrated sampler consisting of 5 aliquots along a transect.

Results: 2419.6 mpn/100 ml

Location: Meramec River

Sample taken: 3/9/2016 8:43:00 AM

Comments: Other: Downstream Meramec 4 site, sample collected near Hwy. 21 bridge, 5.3 miles downstream from Fenton WWTF outfall. Sample was collected using depth and velocity integrated sampler cosisting of 5 aliquots along a transect.

Results: 2419.6 mpn/100 ml